combine qualifications and preferences page to index.html ; implement angularjs
Merge branch 'master' of https://github.com/JaycenH7/peace_corps_peace

* 'master' of https://github.com/JaycenH7/peace_corps_peace:
  Moved peace core data javascript to js directory. Added method to get data filtered by countries, sectors, start date and medical issues.
  Added country medical issue loading and filtering.
  Added socrata initial data load